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  • 1 answers

Anil Kumar 7 years, 11 months ago

Ethene reacts with hydrogen in the presence of a finely divided nickel catalyst at a temperature of about 150°C. Ethane is produced. This is a fairly pointless reaction because ethene is a far more useful compound than ethane! However, what is true of the reaction of the carbon-carbon double bond in ethene is equally true of it in much more complicated cases.
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Himanshu Sharma 7 years, 11 months ago

Is a drugs

Kiran Kotwal 7 years, 11 months ago

it is an acid which is formed inside ant body.....i think it is a formic acid... not sure but.......it is
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Ravi Pal 7 years, 11 months ago

due to spinning of electrons which occur maximize or minimum
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Abhijeet Singh 7 years, 11 months ago

According to the hund's rule pairing of electrons will not take place until or unless each orbital is singly filled with same spin.

Abhijeet Singh 7 years, 11 months ago

Sorry I have wrongly posted aufbau principle in hund's rule question...

Abhijeet Singh 7 years, 11 months ago

According to hund's rule a electron Will enter to subshell having lower energy first and then to subshell having higher energy .
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Àñshul Shärmã 7 years, 11 months ago

Softness means absence of calcium and magnesium salt in water and hardness means presence of calcium and magnesium salt in water in the form of hydrogen carbonate chloride and sulphate
  • 1 answers

Àñshul Shärmã 7 years, 11 months ago

Solvay process is also known as Ammonia soda process and this is the major industrial process for the production of sodium carbonate
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Àñshul Shärmã 7 years, 11 months ago

You can even identify an anion or cation with its smell 2)memorize the colour of cation or anion 3) take the flame test
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Sadaf Fathima 7 years, 11 months ago

Awwh salt analysis its very easy jus few simple tst are dere
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Harsh Trivedi 7 years, 11 months ago

If CO2 under pressure alow to skip through the nozzle ,a white solid obtain which is called dry ice.

Harman Preet 7 years, 11 months ago

Dry ice is also known as solid carbon dioxide. Its temperature is -77.85 °C.

Harman Preet 7 years, 11 months ago

Solid carbon dioxide is known as dry ice . The temperature of solid carbon dioxide is -
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Harman Preet 7 years, 11 months ago

LPG is liquid petroleum gas which is used in household activities whereas CNG is Compressed natural gas whichever is used in vehicles.

Sadhana Maurya 7 years, 11 months ago

Lpg is present in liquid state and CNg are present in gas state one is use for house hold work and another in vechiel
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Osama Malik 7 years, 11 months ago

Simply by hit and trial mwthod
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Arnav Singh 7 years, 11 months ago

It is because the net force acting on all bodies inside satellite is zero and the gravitational force acting on the satellite is completely utilized for centripetal force required for its orbital motion

Varun Banda 7 years, 11 months ago

The sensation of weightlessness experienced by astronauts is not the result of there being zero gravitational acceleration (as seen from the Earth), but of there being no g-force that an astronaut can feel because of the free-fall condition, and also there being zero difference between the ...
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Kamlesh Mohan 7 years, 11 months ago

Leminar flow is freely move to the surface
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Harman Preet 7 years, 11 months ago

Because lithium is small element and can't be attached with peroxide (H2O2)

Simran Randhawa 7 years, 11 months ago

Because of high polarizing power of li+ ion ,the salts of lithium have lower ionic character than salts of other alkali metal
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Nitin Raghav 7 years, 11 months ago

The cell which converts mechanical energy into electrical energy is called galvanic cell also called electrochemical cell or Daniel cell
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Sadhana Maurya 7 years, 11 months ago

Above393k

Sadhana Maurya 7 years, 11 months ago

No water of crystallisation is left and Anhydrous Calcium sulphate caso4 formed .this is known as deadburntplaster
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Nitin Raghav 7 years, 11 months ago

alkenes are more reactive bcoz it is less stable as bond order is directly proportional to stability and bond order of alkenes is less

Àñshul Shärmã 7 years, 11 months ago

Alkynes are most reactive due to the triple Bond present between them

Yashu Tyagi 7 years, 11 months ago

alkynes are most reactive due to presence of 2 pi bonds

Nishant Fulara 7 years, 11 months ago

Alkynes are most reactive...

Virender Chahal 7 years, 11 months ago

Alkynes are more reactive
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Jennifer Winget 7 years, 11 months ago

Tysm subhangi

Vaibhav Pratap Singh 7 years, 11 months ago

solvays process is use for Preparation of sodium carbonate in this 1. ammonium hydroxide is reacted with carbon dioxide and forms ammonium bicarbonate 2.then ammonium bicarbonate treated with sodium chloride and forms ammonium chloride and sodium bicarbonate in the form of ppt. . 3.ammonium carbonate is heated and forms sodium carbonate with water and carbon dioxide

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